SMPS BATTERY CHARGERS

FEATURES

  • Universal / wide input range ( 85 – 270V OR 170 – 270V rms, 50/60Hz, single phase ).
  • Excellent line & load regulation.
  • Low ripple & noise.
  • Over voltage / overload / short circuit protected.
  • Battery reverse polarity protection.
  • CVCC, 2 – step battery charging.
  • Option available for analog / digital meters.
  • Rugged design & engineering for continuous use.

SPECIFICATIONS

INPUT
Voltage 85V - 270V / 170V to 270V rms, single phase
Frequency 47Hz to 63Hz
EMI Filter / Transient suppression Provided
OUTPUT
Voltage 6V / 12V 18V / 24V / 30V / 36V / 48V / 72V / 96V / 120V DC nominal. Other ratings available
Voltage on FLOAT 2.25V / cell ( For example 12V battery is of 6 cells )
Voltage on CHARGE 2.45V / cell
Current rating 2.5A / 3A / 4.25A / 6A / 8A / 10A / 12A / 15A / 20A / 25A / 30A
FLOAT to CHARGE changeover Automatic at 0.035C approx. (C = AH battery capacity)
CHARGE TO FLOAT changeover Automatic at 0.030C approx
Current limit Constant current limit set at 110% approx
Short circuit protection Continuous with auto recovery
Battery reverse protection Standard
Battery over charge protection Standard


INDICATIONS
Charger ON / Battery on FLOAT (Battery CHARGED) / Battery on CHARGE (Battery CHARGING).
Battery REVERSE


METERING ( optional ).
Battery voltage & battery current.


ISOLATION
2.1KV AC for one minute between AC input & DC output terminals.
1.5KV AC for one minute between output & case.
Insulation resistance > 100Mohms @ 500V DC between output & case.


ENVIRONMENT
Operating temperature range 0 deg. C to 55 deg. C
Humidity Up to 95% RH ( non condensing )
Cooling Natural / Forced air
Degree of protection IP20 ( as per IEC144 )


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BATTERY CAPACITY TESTERS

FEATURES

  • Constant current operation.
  • Very low current ripple & noise.
  • End voltage based cut off.
  • Battery voltage / current display.
  • Reverse polarity protection.
  • Very high reliability.
  • Rugged design & engineering for continuous use.
  • THREE YEAR unmatched warranty on most of the models.

SPECIFICATIONS

INPUT
Voltage 6V / 12V / 18V / 24V / 48V / 72V / 110V / 220V DC
Voltage variation 3V TO rated voltage
Circuit Breaker Provided for protection against reverse input
Indication

Provided
OUTPUT
Current 10A / 20A / 40A / 50A / 100A / 200A DC
Current Adjustment Continuous from zero to 100% through 10 turn potentiometer mounted on the front panel
Current Regulation Better than 1% at 100% load current
Current Rating 100% continuous over entire line, load & environmental specifications
Ripple and Noise Less than 25mV rms / 100 mV P-P
Power handling capability     Up to 2500 Watts continuous / 200A max. current
ENVIRONMENT
Operating temperature / Humidity 0 deg. C to 55 deg. C / 95% RH
Cooling Natural / Forced air


OPTIONAL FEATURES

  • In built data logger for monitoring & logging of battery voltage / current / elapsed time / remaining time etc.
  • RS – 232 interface with host program for computer connectivity.
  • Programmable reference through key board interface.
  • Unique serial number allocation for each battery bank.
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